Smoke from multiple large wildfires in Qu‚bec is blanketing the southern portion of the Canadian province and extending southward over the Great Lakes and eastern United States. This image was acquired by the <a HREF="http://modis.gsfc.nasa.gov" target="outlink">Moderate Resolution Imaging Spectroradiometer</a> (MODIS) on the <a HREF="http://terra.nasa.gov" target="outlink">Terra</a> satellite on July 7, 2002.The enormous smoke plume is almost 200 miles wide where it enters the United States over the New York and Vermont state lines. The thick pall is affecting air quality in places well to the south, including New York, Baltimore, and Washington, D.C. The image shows the smoke drifting out over the Atlantic Ocean, and then curling back in over North Carolina (bottom right).On Sunday, July 7, the Canadian Interagency Forest Fire Center reported 15 new fires in Qu‚bec in the preceding 24 hours, bringing the total to more than 40 fires in the region, at least 7 which were burning out of control. ÿMost of the fires are believed to have been caused by lightning, more of which is expected on Monday. According to news reports, several hundred people remain evacuated from their homes. Sensor: Terra/MODIS.